Home / 40,031.52-59,969.52-19,269.60

Finding the Fourth Proportional to 40,031.52, 59,969.52 and 19,269.60

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Solution

The fourth proportional to 40,031.52, 59,969.52 and 19,269.60 is: 28,866.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,031.52 : 59,969.52 = 19,269.60 : x
  2. Step 2: Convert to fraction form
    40,031.52/59,969.52 = 19,269.60/x
  3. Step 3: Cross multiply
    40,031.52x = 59,969.52 × 19,269.60
  4. Step 4: Simplify right side
    40,031.52x = 1,155,588,662.59
  5. Step 5: Solve for x
    x = 1,155,588,662.59/40,031.52
  6. Step 6: Final answer
    x = 28,866.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.